I grow strawberries and don't to anything to them this time of the year. In the spring, when they are blooming; I cover them with a tarp at night if there is a danger of frost.
Once berries start to ripen, I put a small net over my berry patch to keep birds from pecking holes in the strawberries.
I grow strawberries in a raised bed, so it is no problem to put a tarp or net over them.